Ron Jensen wrote: > On Fri, 2007-08-03 at 14:18 +0100, Jon Stockill wrote: >> Ron Jensen wrote: >>> Let me try to hijack this thread to ask a related question: >>> >>> How do I get the altitude of the ground at a given location? >>> >>> I have a simple little tool that prints the base path and index for a >>> given longitude and latitude pair. Is there a simgear function to load >>> the associated .btg.gz terrain file and find the elevation at the given >>> point? Or should I be looking at flightgear for an example? I'd like >>> to keep the program quick and simple... Ultimate goal is automated >>> object placement. >>> >>> Or am I re-inventing a wheel here? >> A combination of scripts/perl/scenery/calc-tile.pl and >> scripts/perl/examples/telnet.pl is what I use for obtaining ground >> elevations for the scenery object database. It does require a connection >> to a running instance of flightgear though - so it's not exactly >> "lightweight". > > > Hmm, calc-tile.pl seems to do about the same as my fgbucket.cpp. A > little more verbose, and I swapped the input args so I can paste > straight from airnav.com... > > How are you using telnet.pl to get altitudes?
If you have an instance of flightgear running with a null fdm you can set the position in the properties system, then read back the terrain elevation. -- Jon Stockill [EMAIL PROTECTED] ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
